Question

AD=CD and AB=CB
state the three pairs of equal parts in ΔABD and ΔCBD​

Answer 1

Step-by-step explanation:

in ∆ABD and∆CBD

AD=CD (given)

AB=CB(given)

Angle D=angle D (common)

thus, ∆ABD=∆CBD by 'SAS' test

Answer 2

Answer:

∆ACD and ∆ABC

Step-by-step explanation:

please check it